2919121338 has 16 divisors (see below), whose sum is σ = 6672277440. Its totient is φ = 834034656.

The previous prime is 2919121301. The next prime is 2919121351. The reversal of 2919121338 is 8331219192.

It is a junction number, because it is equal to n+sod(n) for n = 2919121296 and 2919121305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34751403 + ... + 34751486.

It is an arithmetic number, because the mean of its divisors is an integer number (417017340).

Almost surely, 2^2919121338 is an apocalyptic number.

2919121338 is an abundant number, since it is smaller than the sum of its proper divisors (3753156102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2919121338 is a wasteful number, since it uses less digits than its factorization.

2919121338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69502901.

The product of its digits is 23328, while the sum is 39.

The square root of 2919121338 is about 54028.8935478046. The cubic root of 2919121338 is about 1429.1705196487.

The spelling of 2919121338 in words is "two billion, nine hundred nineteen million, one hundred twenty-one thousand, three hundred thirty-eight".